// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "cc/resources/resource_format_utils.h"

namespace cc {

SkColorType ResourceFormatToClosestSkColorType(ResourceFormat format)
{
    // Use kN32_SkColorType if there is no corresponding SkColorType.
    switch (format) {
    case RGBA_4444:
        return kARGB_4444_SkColorType;
    case RGBA_8888:
    case BGRA_8888:
        return kN32_SkColorType;
    case ALPHA_8:
        return kAlpha_8_SkColorType;
    case RGB_565:
        return kRGB_565_SkColorType;
    case LUMINANCE_8:
        return kGray_8_SkColorType;
    case ETC1:
    case RED_8:
    case LUMINANCE_F16:
        return kN32_SkColorType;
    }
    NOTREACHED();
    return kN32_SkColorType;
}

} // namespace cc
